PHOTOCHROMIC SPIROXAZINES, COMPOSITIONS AND ARTICLES CONTAINING THEM

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(11)

EP 0 850 427 A1

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(43)	Date of publication:
	01.07.1998 Bulletin 1998/27

(21)	Application number: 96926107.0

(22)	Date of filing: 22.07.1996

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International Patent Classification (IPC):

G02C 7/ 04^{( . )}
C07D 498/ 20^{( . )}
C08L 101/ 00^{( . )}
F21V 9/ 10^{( . )}
G02B 5/ 23^{( . )}
G03C 1/ 685^{( . )}

C07D 498/ 10^{( . )}
C08K 5/ 357^{( . )}
C09K 9/ 02^{( . )}
G02B 1/ 04^{( . )}
G02C 7/ 10^{( . )}

(86)	International application number:
	PCT/US1996/012083

(87)	International publication number:
	WO 1997/008573 (06.03.1997 Gazette 1997/11)

(84)	Designated Contracting States:
	BE DE ES FR GB IE IT NL

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Priority:

30.08.1995 FR 19950010221
16.01.1996 US 19960009855

(71)	Applicant: CORNING INCORPORATED
	Corning, N.Y. 14831 (US)

(72)	Inventor:
	CHAN, You-Ping F-69008 Lyon (FR)

(74)	Representative: Le Roux, Martine, et al
	Cabinet Beau de Loménie 158, rue de l'Université 75340 Paris Cédex 07 75340 Paris Cédex 07 (FR)

(54)	PHOTOCHROMIC SPIROXAZINES, COMPOSITIONS AND ARTICLES CONTAINING THEM